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Finding the Fourth Proportional to 397,256.40, 595,884.60 and 353,710.80

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Solution

The fourth proportional to 397,256.40, 595,884.60 and 353,710.80 is: 530,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,256.40 : 595,884.60 = 353,710.80 : x
  2. Step 2: Convert to fraction form
    397,256.40/595,884.60 = 353,710.80/x
  3. Step 3: Cross multiply
    397,256.40x = 595,884.60 × 353,710.80
  4. Step 4: Simplify right side
    397,256.40x = 210,770,818,573.68
  5. Step 5: Solve for x
    x = 210,770,818,573.68/397,256.40
  6. Step 6: Final answer
    x = 530,566.20

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